Moderate

At 257 AM CDT, Trained spotters reported a line of strong thunderstorms extending from over Ceylon to 7 miles west of Elmore, or extending from 12 miles southwest of Fairmont to 16 miles southeast of Fairmont, moving east at 35 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Trained spotters reported a 40 mph gust in Estherville. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...

* WHAT...Heat index values up to 103. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...Until 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory.

* WHAT...Heat index values up to 103. * WHERE...Portions of southwest Iowa. * WHEN...Until 7 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods with warm lows have prompted the multi-day Heat Advisory. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Heat index values up to 108 expected. * WHERE...The Coastal Plain, Sandhills, and a large portion of the Piedmont. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning

* WHAT...Heat index values up to 109 degrees is expected. * WHERE...Portions of East Arkansas, North Mississippi, Southeast Missouri, and West Tennessee. * WHEN...Until 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

At 136 AM MDT, Doppler radar was tracking a strong thunderstorm near Whitman, or 26 miles west of Mullen, moving east at 35 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Mullen, Whitman, Carr Lake, Duluth, Pratt Lake, Hecla, and Weir. This includes the following highways... Highway 2 between mile markers 149 and 184. Highway 97 between mile markers 58 and 67.

* WHAT...Heat index values of 100 to 105. * WHERE...Portions of northwest Illinois and east central and northeast Iowa. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in

At 315 AM EDT, Doppler radar was tracking a strong thunderstorm over Hammondsport, or 14 miles southwest of Dundee, moving southeast at 35 mph. HAZARD...Wind gusts up to 50 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Urbana, Watkins Glen, Hornby, Tyrone, Wheeler, Wayne, Bradford, Hammondsport, Burdett, and Reading Center.

At 222 AM CDT /122 AM MDT/, strong thunderstorms were located from 6 miles west of Mckenzie Bay Recreation Area to 17 miles north of Golden Valley, or from 39 miles northwest of Beulah to 24 miles northwest of Beulah, moving north at 30 mph. HAZARD...Wind gusts up to 30 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...

At 201 AM CDT /101 AM MDT/, strong thunderstorms were located from 6 miles southeast of Theodore Roosevelt National Park North Unit to 15 miles northwest of Killdeer, or from 18 miles south of Watford City to 25 miles southeast of Watford City, moving northeast at 25 mph. HAZARD...Wind gusts up to 30 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include...